72252611 has 4 divisors (see below), whose sum is σ = 76055400. Its totient is φ = 68449824.

The previous prime is 72252589. The next prime is 72252623. The reversal of 72252611 is 11625227.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72252611 - 2⁶ = 72252547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72252671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1901366 + ... + 1901403.

It is an arithmetic number, because the mean of its divisors is an integer number (19013850).

Almost surely, 2^72252611 is an apocalyptic number.

72252611 is a deficient number, since it is larger than the sum of its proper divisors (3802789).

72252611 is a wasteful number, since it uses less digits than its factorization.

72252611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3802788.

The product of its digits is 1680, while the sum is 26.

The square root of 72252611 is about 8500.1535868477. The cubic root of 72252611 is about 416.5027264029.

Adding to 72252611 its reverse (11625227), we get a palindrome (83877838).

The spelling of 72252611 in words is "seventy-two million, two hundred fifty-two thousand, six hundred eleven".